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Abnormal Psychology review

Course: PSYC 340, Winter 2012
School: Concordia CA
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psychological Define disorder -Psychological dysfunction associated with distress -impairment in functioning that is not a typical or culturally expected response. Define atypical or not culturally expected? Behavioral, emotional, or cognitive dysfunctions that are unexpected in their cultural context and associated with personal distress or substantial impairment in functioning. What is the science of...

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psychological Define disorder -Psychological dysfunction associated with distress -impairment in functioning that is not a typical or culturally expected response. Define atypical or not culturally expected? Behavioral, emotional, or cognitive dysfunctions that are unexpected in their cultural context and associated with personal distress or substantial impairment in functioning. What is the science of psychopathology? The scientific study of psychological disorders. In what ways does a mental health professional function as a scientist-practitioner? -Consumer of Science:Enhancing the practice Evaluator of Science: Determining the effectiveness of the practice Creator of Science:Conducting research that leads to new procedures useful in practice Presenting Problem: complaint reported by the client to the therapist. The actual treated problem may sometimes be a modification derived from the presenting problem Prevalence: Number of people displaying a disorder in the total population at any given time Incidence: new cases of a disorder in a specific time period Course: Pattern of development and change of a disorder over time Prognosis: Predicted future development of a disorder over time. What is the difference between chronic and episodic courses? What disorders might fit into each? Chronic Course: Tend to last a long time, sometimes a lifetime Ex: Schizophrenia, alcoholism What is the difference between chronic and episodic courses? What disorders might fit into each? Episodic Course: Pattern of a disorder alternating between recovery and recurrence Ex: Mood Dissorders, Depression Read and be acquainted with the case study of Charles VI: The Mad King (page 9) FREEBIE: In keeping with the accepted method of treatment, moved to the country side in order to Restore the balance of humors C Who was John Grey (briefly)? Champion of the biological tradition in the US Most influential psychiatrist at the time Believed insanity was always due to physical causes, therefore the mentally ill should be treated as physically ill. Rest, diet, and proper room temperature and ventilation When were the first effective medications for severe psychotic disorders created? 1927-insulin shock therapy During the 1950s What is moral therapy? 19th-century psychosocial approach to treatment that involved treating patients as normally as possible in normal environments. People 1st, abnormal behavior 2nd What is the mental hygiene movement and with whom is it most often associated? Mid-19th-century effort to improve care of the mentally disordered by informing the public of their mistreatment headed by Dorethea Dix. Id: The animal within us. The energy or drive of the id is the libido.in contrast to the thantos Operates on the pleasure principle Operates under the Primary Process, which is a type of thinking that is emotional, irrational, illogical, filled with fantisies, preoccupied with sex, aggression, selfishness, and envy Ego: The mediator between our Id and Superego. Ensures that we act realistically Operates on the Reality Principle Secondary process: logical and rational Superego: Conscience Operates under the Moral Principles Instilled by parents and culture What are defense mechanisms? Common patterns of behavior, often adaptive coping styles when they occur in moderation, observed in response to particular situations. In psychoanalysis, these are thought to be unconscious processes originating in the ego. Denial: Refuses to acknowledge some aspect of objective reality or subjective experience that is apparent to others Displacement: Defense mechanism in which a person directs a problem impulse toward a safe substitute. Projection: Falsely attributes own unacceptable feelings, impulses, or thoughts to another individual or object Rationalization: Conceals the true motivations for actions, thoughts, or feelings through elaborate reassuring or self serving but incorrect explanations Reaction Formation: Substitutes behavior, thoughts, or feelings that are direct opposite of unacceptable ones Repression: Blocks disturbing wishes, thoughts, or experiences from conscience awareness Sublimation: Directs potentially maladaptive feelings or impulses into socially acceptable behavior Who was Carl Rogers and what concepts were tied to his humanistic theories? (1902-1987) Originated client-centered therapy (person-centered therapy) Therapist takes a passive role making as few interpretations as possible Unconditional Positive Regard Complete and almost unqualified regard and acceptance of a clients feelings and actions Empathy Sympathetic understanding of an individuals particular views Who is considered the founder of behaviorism? John B. Watson Joseph Wolpe (1915-1997) Pioneering psychiatrist from South Africa Founder of systematic desensitization to help his clients with phobias Used Behavioral Therapy B.F. Skinner (1904-1990) Operant Conditioning: behavior changes as a result of what happens after the behavior Reinforcement, shaping What is the multidimensional integrative approach to psychopathology? What plays an influence? Approach to the study of psychopathology which holds that psychological disorders are always the products of multiple interacting causal factors. Biological Dimensions: causal factors from the fields of genetics and neuroscience Psychological dimensions: causal factors from behavioral and cognitive processes Emotional Influences Social influences Interpersonal Influences Developmental Influences What are genes? Long deoxyribonucleic acid (DNA) molecules, the basic physical units of heredity that appear as locations on chromosomes. Define polygenic Influenced by many genes, each contributing a tiny effect. What is quantitative genetics? Basically sums up all the tiny effects across many genes, using procedures called quantitative genetics. What is the diathesis-stress model and how does it work? INHERITED TENDENCY+STRESS=DISSORDER Hypothesis that both an inherited tendency (a vulnerability) and specific stressful conditions are required to produce a disorder. A model that takes a multidimensional approach Individuals inherit tendencies to express certain traits or behaviors, which may then be activated under conditions of stress. Each inherited tendency is a diathesis, which means, literally, a condition that makes one susceptible to developing a disorder. What is the reciprocal Gene-Environment Model and how does it work? PREDISPOSITION+TENDANCY TO CREATE RISK FACTORS=DISSORDER Hypothesis that people with a genetic predisposition for a disorder may also have a genetic tendency to create environmental risk factors that promote the disorder. Ex: people with a genetic vulnerability to develop a certain disorder, such as blood-injury-injection phobia, may also have a personality traitlets say impulsivenessthat makes them more likely to be involved in minor accidents that would result in their seeing blood What makes up the central nervous system? Brain and Spinal Cord What is the limbic system? What does it include in the way of control or regulation? Part of the forebrain involved in emotion ability to learn control impulses regulation of drives: sex hunger thirst aggression What does the peripheral nervous system do? What is it made up of? Neural networks outside the brain and spinal cord, including the somatic nervous system, which controls muscle movement, and the autonomic nervous system, which regulates cardiovascular, endocrine, digestion, and regulation functions. Autonomic includes sympathetic and parasympathetic If scared and running away is sympathetic If you are calming down, parasympathetic What does the hindbrain do? Lowest part of the brain stem; regulates many automatic bodily functions such as breathing and digestion. Agonists: Chemical substance that effectively increases the activity of a neurotransmitter by imitating its effects. Antagonists: In neuroscience, a chemical substance that decreases or blocks the effects of a neurotransmitter. Inverse Agonists: Chemical substance that produces effects opposite those of a particular neurotransmitter 10 questionsonmatching, will be on neurotransmitters Know what they do, and what they are associated with Pg. 47-48 Ex. Saratonin is correlated with depression if dissregulated, then depression occurs dont forget! What is serotonin? What does the serotonin system regulate? What happens with extremely low activity levels of serotonin? Low serotonin activity has been associated with what? What drugs affect the serotonin system? Neurotransmitter involved in processing information and coordination of movement as well as inhibition and restraint; it also assists in the regulation of eating, sexual, and aggressive behaviors, all of which may be involved in different psychological disorders. Its interaction with dopamine is implicated in schizophrenia and Parkinsons. What is GABA (you dont need to remember its full name)? What does it do? What does it inhibit primarily? What class of drugs makes it easier for the molecules to attach themselves to the receptors of some neurons? What disorder does GABA play a large effect? Is it specific to that disorder? Neurotransmitter that reduces activity across the synapse and thus inhibits a range of behaviors and emotions, especially generalized anxiety. Dissorders: anxiety What is norephinephrine? What system is it a part of? What two groups of receptors does it stimulate? How are beta blockers related? Where are the primarily located? Neurotransmitter that is active in the central and peripheral nervous systems controlling heart rate, blood pressure, and respiration, among other functions. Because of its role in the body's alarm reaction, it may also contribute in general and indirectly to panic attacks and other disorders. What is dopamine? In what disorders has it been implicated? What kinds of behaviors are dopamine receptors associated with? How does L-Dopa relate? Neurotransmitter whose generalized function is to activate other neurotransmitters and to aid in exploratory and pleasure-seeking behaviors (thus balancing serotonin). A relative excess of dopamine is implicated in schizophrenia (though contradictory evidence suggests the connection is not simple) and its deficit is involved in Parkinson's disease. Define learned helplessness Seligman's theory that people become anxious and depressed when they make an attribution that they have no control over the stress in their lives (whether in reality they do or not). Whose name is linked to modeling? And what is modeling or observational learning? Albert Bandura Modeling (or observational learning): Learning through observation and imitation of the behavior of other individuals and the consequences of that behavior. Define prepared learning Certain associations can be learned more readily than others because this ability has been adaptive for evolution. Define emotion and its three important and overlapping components Emotion: an action tendancy Cognitive:appraisals, attributions, and other ways of processing the world around you physiology: Brain function involving the more primitive parts of brain behavior: the basic patterns (freeze, escape, approach, attack) that differ in fundamental ways. ON TEST What impact can culture have on psychopathology? Phobias,women have greater likelyhood Gender and culture Bulimia and anorexia are common to woman In other cultures this isnt an issue What disorders have shown to have a strong influence of culture and gender? In what disorder is this most clearly evident? look up What does the research on socialization and health say? look up Because of psychological stigma, what are people with disorders likely to do? look up Define and explain the principle of equifinity look up Define clinical assessment Systematic evaluation measurement of: psychological biological social factors in a person presenting with a possible psychological disorder. -Understand -Predict behavior -Plan treatment -Evaluate treatment outcome What are the three basic concepts on which the value of assessment depends? Define each. Reliability Consistency Validity Does it do what it is supposed to? Standardization and Norms Consistent technical use Population benchmarks for comparison Intelligence testing Made up by educated white males Designed for white males of similar education Used on a variety of people If you use a test make sure it fits the population its being administered to Pg.71 What is the mental status exam? What 5 components make it up? Mental Status Exam is a relatively coarse preliminary test of a clients judgment, orientation to time and place, and emotional and mental state; typically conducted during an initial interview. Mental Status Exam 1.Appearance & behavior 2.Thought processes 3.Mood and affect 4.Intellectual functioning 5.Sensorium Mood: A pervasive and sustained emotion that, in the extreme, markedly colors the persons perception of the world. Common examples of mood include depression, elation, anger, and anxiety. Affect - A pattern of observable behaviors that is the expression of a subjectively experienced feeling state (emotion). Common examples of affect are euphoria, anger, and sadness. ---- Affect is variable over time, in response to changing emotional states, whereas mood refers to a pervasive and sustained emotion. Mood is more of a trait, Affect is more of a state. What does the phrase oriented times three mean? Patient is aware of, or oriented to, his or her identity, location, and time (person, place, and time) What is a behavioral assessment? Behavioral AssessmentMeasuring, observing, and systematically evaluating (rather than inferring) the clients thoughts, feelings and behavior in the actual problem situation or context. Focus on here and now Direct and minimally inferential Target behaviors are identified and observed What are the ABCs of Observation? The ABCs (antecedents, behaviors, and consequences) What is projective testing? What tests fall under this category? Project personality aspects onto ambiguous stimuli Rooted in psychoanalytic tradition High degree of inference in scoring and interpretation Two best examples: Rorschach Inkblot Test Thematic Apperception Test Mixed results regarding reliability and validity What is a personality inventory? What tests fall under this category? What is the MMPI Self report questionnaires that assess personal traits by asking respondents to identify descriptions that apply to them. Minnesota Multiphasic Personality Inventory (MMPI, MMPI-2, MMPI-A) 567 true or false items Extensive reliability, validity, and normative database MMPI is the empirically derived standardized personality test that provides scales for assessing such abnormal functioning as depression and paranoia. One of the most widely used and heavily researched assessment instruments. What is intelligence testing? What tests fall under this category? Nature of intellectual functioning and IQ The deviation IQ Verbal and performance domains Developed to predict who would do well in school. IQ test, deviation IQ test, Stanford-binet test, Wechsler test, WAIS III, WISC III, WPPSI-R. What is neuropsychological testing? What tests fall under this category? Assess a broad range of skills and abilities Goal is to understand brain-behavior relations Evaluates personal assets and deficits Overlap with intelligence tests Measures areas such as receptive and expressive language, attention and concentration, memory, motor skills, perceptual abilities, and learning and abstraction in such a way that the clinician can make educated guessed about the persons performance and the possible existence of brain impairment. tests, Bender Visual-Motor Gestalt test, Luria-Nebraska Neuropsychological Battery test, and Halstead-Reitan Neuropsychological Battery Neuroimaging: Will not be on your exam, but is incorporated in disorders. Looking inside the brain and take increasingly accurate pictures of its structure and function. classification Assignment of objects or people to categories on the basis of shared characteristics Taxonomy System of naming and classification in science. Nosology classification and naming system for medical and psychological phenomena What is the classical (pure) categorical approach? Classical categorical approach Categories have to have the categories fits into diagnosis What is the dimensional approach? Dimensional approach Classification along dimensions spectrum scales, level of functioning What is the prototypical approach? (this answer might not be sufficient) Prototypical approach Both classical and dimensional Define and differentiate reliability and validity Reliability-degree to which a measurement is consistent, for example, over time or among different raters. Validity-degree to which a technique actually measures what it purports to measure. How many Axes are there on the DSM-IV? What is the purpose of each? 5 Axis I Most major disorders Axis II Stable, enduring problems (e.g., Personality Dissorders, Mental Retardation) Axis III Medical conditions related to abnormal behavior Axis IV Psychosocial problems Axis V global clinician rating of adaptive functioning What are some of the problems with the DSM-IV?What Are the Optimal Thresholds for Diagnosis? Examples: level or distress, impairment, number of required symptoms Arbitrary Time Periods in the Definitions of Diagnoses Should Other Axes Be Included? Examples: premorbid history, treatment response, family functioning Is the DSM-IV System Optimal for Treatment or Research? Problem of Comorbidity Defined as two or more disorders for the same person High comorbidity is the rule clinically Comorbidity threatens the validity of separate diagnoses Why is it dangerous to label? What are potential dangers of assigning a diagnostic label? Problem of reification-( Translating a complex set of phenomena into a single entity such as a number. IQ test scores are an example.) Problem of stigmatization-( To single a person out as someone to be ashamed of) By what is the dimensional approach characterized?(double check) Method of categorizing characteristics on a continuum rather than a binary, either-or, or all-or none basis. Glossary of Terms for Mental Disorders There are 20 questions from the glossary. Know how to differentiate between disorders. I am not trying to trick you on these questions, just trying to help you differentiate between them. TEST HELPS Know id EGO and SUPEREGO -DIATHESIS STRESS MODEL and RECIPRICOL GENE MODEL DIFFERENTIATE BETWEEN THE TWO WHY IS IT DANGEROUS TO LABEL STIGMAS KNOW GLOSSARY OF TERMS GO THROUGH AND FIND ONE PHRASE TO SUMMARIZE EACH DELLUSION OF GRANDIOSITY IS A DIOGNOSTIC TERM GRANDIOSITY-NOT AS SEVERE, NOT DIAGNOSED POVERTY OF SPEECH VS. POVERTY OF SPEECH CONTENT FLIGHT OF IDEAS VS. PRESSURE OF SPEECH KNOW DIFFERENCE BETWEEN HALLUCINATION AND DELLUSION ONE QUESTION ON TESTS What is Seratonin? Neurotransmitter involved in processing information and coordination of movement as well as inhibition and restraint; What does Serotonin Regulate? eating sexual aggressive behaviors What happens with low levels of Serotonin? less inhibition instability impulsivity overreact to situations Aggression suicide impulsive overeating excessive sex What drugs effect Serotonin? SSRIs Tricyclic antidepressants: imipramine (brand name Tofranil) Serotonin Specific Reuptake Inhibitors: SSRIs (Prozac) Used to treat anxiety, mood, eating disorders (fen/phen) What has serotonin been implicated in? Interaction with Dopamine is implicated in Schizophrenia and Parkinsons. What is GABA and what does it do? Neurotransmitter that Reduces Postsynaptic Activity, or activity across the synapse and thus inhibits a range of behaviors and emotions, Reduces Anxiety, and tempers emotional responses What class of drugs makes it easier for the molecules to attach themselves to the receptors of some neurons? Benzodizepines (mild tranquilizers) make it easier for GABA molecules to attach themselves to the receptors of specialized neurons. Higher the level of benzodianzepines, the more GABA that becomes attached to neurotransmitters and the calmer we become. Relax muscles and reduces spasams What disorder does GABA play a large effect? Anxiety What is norephinephrine? Neurotransmitter that is active in the central and peripheral nervous systems controlling heart rate, blood pressure, and respiration, among other functions. What system is norepinephrine a part of? Endocrine System What two groups of receptors does GABA stimulate? 1.alpha-adrenergic 2.beta-andrenergic receptors How are beta blockers related to norephinepnrine? Beta Blockers block the beta-receptors so their response to a surge of norepinephrine is reduced. Where are norepinephrine receptors the primarily located? Central Nervous System: one major circuit begins in the hindbrain What disorders can norepinephrine be implicated in? Because of its role in the body's alarm reaction, it may also contribute in general and indirectly to panic attacks and other disorders but not directly involved. What is dopamine? Neurotransmitter whose generalized function is to activate other neurotransmitters What does dopamine balance? Seratonin In what disorders has it been implicated? A relative excess of dopamine is implicated in schizophrenia (though contradictory evidence suggests the connection is not simple) and its deficit is involved in Parkinson's disease. What kinds of behaviors are dopamine receptors associated with? Exploratory and Pleasure Seeking How does L-Dopa relate to dopamine? L-Dopa is a dopamine agonist, thus increasing levels of dopamine. Since Dopamine switches on the locomotor system, L-dopa has been successful in reducing some of the effects of Parkinson's such as tremors, rigidity in muscles, and difficulty with judgment. Because of psychological stigma, what are people with disorders likely to do? Not seek health-insurance reimbursement for fear that a coworker might find out. Define and explain the principle of equifinity Used in developmental psychopathology to indicate that we must consider a number of paths to a given outcome. Ex: a delusional syndrome may be an aspect of shcizophrenia, but it can also arise from amphetamine abuse.
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Concordia CA - PSYC - 355
Chapter 4co- localization Also called co- release. Here, the appearance of more than one neuro transmitter in a given presynaptic terminal.acetylcholine ( ACh) A neurotransmitter produced and released by parasympatheticpostganglionic neurons by motoneu
Concordia CA - PSYC - 355
27/02/201122:44:00Chapter4BooknotesTobeconsideredaneurotransmitter:Thesubstanceexistsinthepresynapticaxonterminals.Thepresynapticcellcontainsappropriateenzymesforsynthesizingthe substance.Thesubstanceisreleasedinsignificantquantitieswhenactionpotent
Concordia CA - PSYC - 355
According to a large survey in 1991, 33% of the U.S. population reports at least onelifetime major psychiatric disorder. There appear to be significant sex differences inprevalence rates. For example, females suffer more frequently from depression, wher
Concordia CA - PSYC - 355
Before the turn of the century, Sherrington proposed that changes in synapses may be thebasis of learning. Later, Hebb proposed that when a presynaptic neuron and apostsynaptic neuron are repeatedly activated together, the synaptic connection betweenth
Concordia CA - PSYC - 340
Sexual Disorders and Gender Identity Disorder- One third of adolescent males and about one-quarter of adolescent females report twoor more sexual partners in a year. The cumulative number of sexual partners an ad olescent has can thus add up over the ye
Concordia CA - PSYC - 340
Chapter 12 Personality DisordersPersonality disorders are enduring patterns of perceiving, relating to and thinking about the environmentand oneself that are exhibited in a wide range of social and personal contexts and are inflexible andmaladaptive an
Concordia CA - PSYC - 340
Chapter 13 Schizophrenia and other psychotic disorders-The majority of people with schizophrenia in Canada are unemployed and living in poverty.-Schizophrenia affects approximately one out of every 100 people at some point in their lives.-Kraeplins
Concordia CA - PSYC - 340
Chapter 5 - Anxiety Disorders.Anxiety is a negative mood state characterized by bodily symptoms of physical tensionand apprehension about the future. In humans, anxiety can be a subjective sense of un ease, a set of behaviours (looking worried and anxio
Concordia CA - PSYC - 340
ConversionConversion disorders generally have to do with physical malfunctioning, such as para lysis, blindness, or difficulty speaking (aphonia) without any physical or organic patho logy to account for the malfunction.- Conversion symptoms can mimic t
Concordia CA - PSYC - 310
As a threat to external validity, the potential influence of experience in earlier treatmentsis called multiple treatment interference.Novelty effect - novel situation, individuals may perceive and respond differently thanthey would in the normal, real
Concordia CA - PSYC - 310
Chapter 7 - Experimental Research StrategyFive basic strategies for investigating variables and their relationships:(i) descriptive,(ii) correlational,(iii)experimental,(iv)quasi-experimental(v)non-experimental.Experimental research strategy - T
Concordia CA - PSYC - 310
Concordia CA - PSYC - 310
Chapter 9 - within subject designsThe defining characteristic of a within subjects design is that it uses a single group ofparticipants, and tests or observes each individual in all of the different treatment beingcompared.In a within subject experime
Concordia CA - PSYC - 310
Chapter 13 Schizophrenia and other psychotic disorders-The majority of people with schizophrenia in Canada are unemployed and living in poverty.-Schizophrenia affects approximately one out of every 100 people at some point in their lives.-Kraeplins
Concordia CA - PSYC - 310
Chapter 10 non experimental and quasi experimental research strategies-Used when it is difficult or impossible for a researcher to satisfy completely the rigorous require ments of an experiment. Especially for applied research in natural settings.-Lik
Concordia CA - BIOL - 202
5.1 Membrane Models1.In the early 1900s, researchers noted that lipid-soluble molecules entered cells more rap idly than water-soluble molecules, suggesting lipids are component of plasma membrane.2.Later, chemical analysis revealed that the membrane
Concordia CA - BIOL - 202
3.1 Organic Molecules Organic molecules contain carbon and hydrogen atoms bonded to other atoms.1. Four types of organic molecules (biomolecules) exist in organisms: carbohydrates, lipids, proteins, and nucleic acids.2.Organic molecules are a diverse
Concordia CA - BIOL - 202
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BUSINESS SCHOOLThe University of SydneyOperations Management and EconometricsECMT6006 Applied Financial EconometricsASSIGNMENT 1Due Date: 6pm, Friday 15th April, 2011Notes to Students1. Calculations for the assignment are to be conducted with Matla
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BUSINESS SCHOOLOperations Management and EconometricsECMT6006: Applied Financial EconometricsAssignment 2Due Date: 6pm, Friday, 3rd June, 2011Marks: 20% of final gradeNotes to Students1. Calculations for the assignment are to be conducted with Matl
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BUSINESS SCHOOLOperations Management and EconometricsECMT6006: Applied Financial EconometricsTutorial Exercises Set 1: Asset ReturnsQuestion 1Consider the following monthly stock price data (in dollars) for the period January 2008 toJanuary 2010:12
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BUSINESS SCHOOLOperations Management and EconometricsECMT6006: Applied Financial EconometricsTutorial Exercises Set 2: Asset Returns (Contd)Question 1Consider the file of 120 dividend adjusted simple net returns on the ordinary shares for DeltaAirli
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BUSINESS SCHOOLOperations Management and EconometricsECMT6006: Applied Financial EconometricsTutorial Exercises Set 3: Mean-Value Portfolio TheoryQuestion 1Using historical data, stock A is estimated to have an expected return of E(rA) = 0.07 withst
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BUSINESS SCHOOLOperations Management and EconometricsECMT6006: Applied Financial EconometricsTutorial Exercises Set 6: Introduction to Derivatives PricingQuestion 1In the following questions, assume the risk free rate of return is a constant rf = 0.0
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BUSINESS SCHOOLOperations Management and EconometricsECMT6006: Applied Financial EconometricsTutorial Exercises Set 7: Binomial treesQuestion 1A stock price is currently at $40. It is known that at the end of one month it will be either$42 or $38. T
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ECON 6001: Assignment 8(1) An agents utility function is u = x1 x2 . The market prices are p1 =p2 = 1. The consumers income however is uncertain: the incomecould be m1 = 100 or m2 = 50, each event being equally likely. Whatis the maximum expected util
Sydney - ECON - 6001
ECON 6001: Assignment 9(1) Suppose you have 1 dollar to invest in a project. The outcome of theproject depends on the state of the world. There are two states ofthe world: 1 and 2 and they are equally likely. In state 1, the projectreturns 4, 2 or not
Sydney - ECON - 6001
Assignment 1(1) Suppose that xy and preferences are transitive. Show that I (x)and I (y ) (the indierence sets for x and y respectively) can not havea point in common, i.e, these sets must be disjoint.(2) Draw two indierence curves (between x1 and x2
Sydney - ECON - 6001
ECON 6001: Assignment 6(1) For each of the following games, nd out a) the set of dominatedstrategies (strict and weak) for each player and b) the set of Nashequilibria.Player 1Player 1TBTPlayer 1 CBPlayer 2LR4, 2 3, 22, 0 3, 3TBL2, 41,
Sydney - ECON - 6001
ECON 6001: Assignment 7(1) Two players are involved in a strategic situation where each choosesa number x [0, 2]. Given a choice (x1 , x2 ), payo to player 1 isx1 (1 x2 ) and that of player 2 is x2 (2 x1 ).(a) Determine the set of strictly dominated s
Sydney - ECON - 6001
ECON 6001: Solution to Assignment 8(1) An agents utility function is u = x1 x2 . The market prices are p1 =p2 = 1. The consumers income however is uncertain: the incomecould be m1 = 100 or m2 = 50, each event being equally likely. Whatis the maximum e
Sydney - ECON - 6001
ECON 6001: Solution to Assignment 9(1) Suppose you have 1 dollar to invest in a project. The outcome of theproject depends on the state of the world. There are two states ofthe world: 1 and 2 and they are equally likely. In state 1, the projectreturns
Sydney - ECON - 6001
ECON 6001: Solution to Assignment 1(1) Suppose that xy and preferences are transitive. Show that I (x)and I (y ) (the indierence sets for x and y respectively) can not havea point in common, i.e, these sets must be disjoint.Take z I (x), then, z x. B
Sydney - ECON - 6001
ECON 6001: Solutions to Assignment 6(1) For each of the following games, nd out a) the set of dominatedstrategies (strict and weak) for each player and b) the set of Nashequilibria.Player 1Player 2LR4, 2 3, 22, 0 3, 3TBFor player 1, T weakly d
Sydney - ECON - 6001
ECON 6001: Solutions to Assignment 7(1) Two players are involved in a strategic situation where each choosesa number x [0, 2]. Given a choice (x1 , x2 ), payo to player 1 isx1 (1 x2 ) and that of player 2 is x2 (2 x1 ).(a) Determine the set of strictl
Sydney - ECON - 6001
ECON 6001: Assignment 3(1) The following table gives us the utility of a consumer from consumptionof dierent slices of pizzas:Table 1HamburgerUtility0018214318420.5521(a) Determine the consumer surplus at prices P = 7 and P = 3.5(b) Ass
Sydney - ECON - 6001
ECON 6001: Assignment 4(1) Consider a two good/two agent economy where the endowment vector ofagent A is (10, 5) and that of agent B is (0, 5). The utility function ofagent A is uA = x1 x2 and that of agent B is uB = min(x1 , x2 ).(a) In an Edgeworth
Sydney - ECON - 6001
ECON 6001: Assignment 5(1) Consider a competitive producer that produces in a market with p = 8and has the cost function C (q ) = q 2 . However every unit of q generatesa net benet of 4 for rm B(a) Find out the prot maximizing output choice of the mon
Sydney - ECON - 6001
ECON 6001: Some Practice Questions(1) In exchange economy, there are two goods and three agents. The utilityfunction of the rst agent is u1 = 2x1 + x2 , the second agent has utilityx1function u2 = 1+2x2 while the utility function of the third agent is
Sydney - ECON - 6001
ECON 6001: Some Practice QuestionsSection I - True /False. Explain.(a) Consumer A s utility function is x1 + x2 while that of B is (x1 + x2 )2 .At p1 = p2 = 1 and m = 10, both agents must demand the samecommodity bundle.(b) The utility function of an
Sydney - ECON - 6001
ECON 6001: Answers to Some Practice QuestionsSection I - True /False. Explain.(a) Consumer A s utility function is x1 + x2 while that of B is (x1 + x2 )2 .At p1 = p2 = 1 and m = 10, both agents must demand the samecommodity bundle.False, consumer B u
Sydney - ECON - 6001
The University of SydneySCHOOL OF ECONOMICS AND POLITICAL SCIENCEECON 6001: Microeconomic AnalysisMid-Semester Examination I, Semester 1, 2010Due: the exam is due back in class on 15th of April.Section A - True/FalseInstructions: There are eight que
Sydney - ECON - 6001
ECON 6001: Solutions to Assignment 4(1) Consider a two good/two agent economy where the endowment vector ofagent A is (10, 5) and that of agent B is (0, 5). The utility function ofagent A is uA = x1 x2 and that of agent B is uB = min(x1 , x2 ).(a) In
Sydney - ECON - 6001
ECON 6001: Solution to the Practice Questions(1) In exchange economy, there are two goods and three agents. The utilityfunction of the rst agent is u1 = 2x1 + x2 , the second agent has utilityx1function u2 = 1+2x2 while the utility function of the thi
Sydney - ECON - 6001
ECON 6001: Solutions to Assignment 5(1) Consider a competitive producer that produces in a market with p = 8and has the cost function C (q ) = q 2 . However every unit of q generatesa net benet of 4 for rm B(a) Find out the prot maximizing output choi
Sydney - ECON - 6001
The University of SydneyFACULTY OF ECONOMICS AND BUSINESSECON 6001: MicroeconomicsSolution to Midterm Test IITime: 2 hoursNote: The Exam consists of two sections. Section A has of ve true/falsequestions. This section is worth 20 points. Section B ha
Sydney - ECON - 6001
Problem Set 2Problem 1(i) First order conditions with respect to , and respectively.(ii) Assuming saving rate at at time t.Assuming ,Problem 2In the steady state of the economy,Problem 3
Sydney - ECON - 6001
Problem Set 3Part 2Problem 1Under pre-commitment policy,Under discretionary policy without delegation,(ii) The determination of inflation in the absence of commitment:If we impose and solve for inflation rate, we obtain:(iii)Problem 2(i) (i)(iii
Sydney - ECON - 5002
CHAPTER11Saving,CapitalAccumulationandOutputQuickCheck1.a.True.If saving includes public and private saving.b.False.A higher saving rate that leads to a higher rate of investment can onlysustain higher output growth until output reaches its new
Sydney - ECON - 5002
CHAPTER12TechnologicalProgressandGrowthQuickCheck1.a.True.The production function Y = F(K,AN) implies that a 10% decrease in Ncan be compensated by a 10% increase in A to yield the same Y, givenK.b.True.The steady-state capital per effective wo
Sydney - ECON - 5002
CHAPTER14Expectations:TheBasicToolsQuickCheck1.a.True.b.True.c.True.d.False.The real interest rate is equal to the nominal interest rate minus theexpected inflation rate.e.True.In the medium run, the real interest rate returns to its natur
Sydney - ECON - 5002
CHAPTER16Expectations,ConsumptionandInvestmentQuickCheck1.a.False.May be more reasonable to assume that human wealth (e.g., labourincome) > non-human wealth (e.g., real estate and financial assets).b.False.Research on retirement generally paints
Sydney - ECON - 5002
CHAPTER19TheGoodsMarketinanOpenEconomyQuickCheck1.a.False.Other possible reasons include low savings rate, falling budget surplus,and rising budget deficit.b.False.An increase in the budget deficit will lead to an increase in the tradedeficit,
Sydney - ECON - 5002
CHAPTER20Output,theInterestRateandtheExchangeRateQuickCheck1.a.Uncertain.The answer depends on the exchange rate regime in place. Underfixed exchange rates, fiscal policy triggers monetary policyaccommodation which magnifies the initial fiscal po
Sydney - ECON - 5002
CHAPTER21ExchangeRateRegimesQuickCheck1. a.True.Britain returned to the gold standard at too appreciated a parity.b.True.The initial, although unfounded, belief may evolve into a self-fulfillingprophecy.c.Uncertain.However, such drastic capita
UPenn - STAT - 111
COLL 135 WorkshopGroup Member EvaluationNote that group members will not see your evaluations. E-mail as an attachment to weberes@sas.upenn.edu.Workshop Topic: DebateEvaluator:Workshop Date: 4/10/12Group Memberbeing evaluated:Please complete one e
UPenn - STAT - 111
Final Computer AssignmentStat 111, Spring 2012Due Monday, April 23rd.Extensions to Wednesday at 5:00 PM will be considered only by petition to your TA.For this project you will be analyzing a data set. This experience should help you synthesize all th
UPenn - STAT - 111
111 Spring 2012Assignment One Solutions24 points TotalI. Problems:Chapter 2 review problems 3, 4, 8 , 10, 111. (2 points) No, we know that the parents of children who participated in theexperiment tend to be at a better economical situation and so t
UPenn - STAT - 111
Assignment OneDue Friday, January 20th.I. Problems:Chapter 2 review problems 3, 4, 8 , 10, 11II. Readings:1. Chapters 1,2, and 3.2. Snake OilIII. Additional Problems1. According to Richard Dawkins in Snake Oil: what is the role of thestatistician
UPenn - STAT - 111
Homework II Solutions(44 Points Total)Part I: Text Problems (22 Points Total)Chapter 3 Review Problems:4. (3 Points total)a) 25%b) 99%c) 140-150 mm. Using the area principle, we see that the area of the bin from 140-150 mm isgreater.d) 135-140 mm